320472243

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 599639040

約数和(自身を除く): 279166797

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 103, 117, 131, 203, 261, 273, 309, 377, 393, 609, 721, 819, 917, 927, 1131, 1179, 1339, 1703, 1827, 2163, 2639, 2751, 2987, 3393, 3799, 4017, 5109, 6489, 7917, 8253, 8961, 9373, 11397, 11921, 12051, 13493, 15327, 20909, 23751, 26593, 26883, 28119, 34191, 35763, 38831, 40479, 49387, 62727, 79779, 84357, 94451, 107289, 116493, 121437, 148161, 175409, 188181, 239337, 271817, 283353, 345709, 349479, 391297, 444483, 526227, 815451, 850059, 1037127, 1173891, 1227863, 1578681, 2446353, 2739079, 3111381, 3521673, 3683589, 5086861, 8217237, 11050767, 15260583, 24651711, 35608027, 45781749, 106824081, 320472243]

約数ペア:

[(1, 320472243), (3, 106824081), (7, 45781749), (9, 35608027), (13, 24651711), (21, 15260583), (29, 11050767), (39, 8217237), (63, 5086861), (87, 3683589), (91, 3521673), (103, 3111381), (117, 2739079), (131, 2446353), (203, 1578681), (261, 1227863), (273, 1173891), (309, 1037127), (377, 850059), (393, 815451), (609, 526227), (721, 444483), (819, 391297), (917, 349479), (927, 345709), (1131, 283353), (1179, 271817), (1339, 239337), (1703, 188181), (1827, 175409), (2163, 148161), (2639, 121437), (2751, 116493), (2987, 107289), (3393, 94451), (3799, 84357), (4017, 79779), (5109, 62727), (6489, 49387), (7917, 40479), (8253, 38831), (8961, 35763), (9373, 34191), (11397, 28119), (11921, 26883), (12051, 26593), (13493, 23751), (15327, 20909)]